import java.util.Scanner;
import java.util.ArrayList;
public class Main {
    public static void main(String[] args){
        Scanner in = new Scanner(System.in);
        while(in.hasNext()){
            char ch = in.next().charAt(0);
            if(ch>='a'&&ch<='z') System.out.print((char)(ch-32));
            else System.out.print(ch);
        }
    }
    public static void main4(String[] args){
        Scanner in = new Scanner(System.in);
        int n = in.nextInt();
        int[] cost = new int[n];
        for(int i = 0;i<n;i++){
            cost[i] = in.nextInt();
        }
        int[] dp = new int[n+1];
        //给dp数组赋值
        for(int i = 2;i<n+1;i++){
            dp[i] = Math.min(dp[i-2]+cost[i-2],dp[i-1]+cost[i-1]);
        }
        System.out.println(dp[n]);
    }
    public static void main3(String[] args){
        Scanner in = new Scanner(System.in);
        char[] s = in.next().toCharArray();
        StringBuilder st = new StringBuilder();
        //进栈
        for(int i =0;i<s.length;i++){
            char ch = s[i];
            //进栈
            if(st.isEmpty() || ch != st.charAt(st.length()-1)){
                st.append(ch);
            }else{//出栈
                st.deleteCharAt(st.length()-1);
            }
        }
        System.out.println(st.length()==0?0:st.toString());
    }
    public ArrayList<Integer> fun(ArrayList<Integer> nums1,ArrayList<Integer> nums2){
        boolean[] hash = new boolean[1001];
        ArrayList<Integer> ret = new ArrayList<>();
        for(int x: nums1){
            hash[x] = true;
        }
        for(int x:nums2){
            if(hash[x]){
                ret.add(x);
                hash[x] = false;
            }
        }
        return ret;
    }
    public static void main2(String[] args){
        Scanner in = new Scanner(System.in);
        String s1 = in.nextLine();
        String s2 = in.nextLine();
        int length1 = s1.length();
        for(int i = 0;i<s1.length();i++){

        }
    }
    public static void main1(String[] args){
        Scanner in = new Scanner(System.in);
        int q = in.nextInt();
        int arr[][] = new int[q][3];
        for(int i=0;i<q;i++){
            for(int j=0;j<3;j++){
                arr[i][j] = in.nextInt();
            }
        }
        //算分
        int i = 0;
        while(q-->0){
            int a = arr[i][0];
            int b = arr[i][1];
            int c = arr[i][2];
            int score = 0;
            while(a>=1&&b>=1&&c>=1){
                a--;
                b--;
                c--;
                score+=2;
            }
            if(b>=2){
                score+=(b-1);
            }
            System.out.println(score);
            i++;
        }
    }
}
